Lap blank for use in optical lens making



FIG. 1 is a perspective view of a lap blank for use in optical lens making showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view, the left side being a mirror image thereof;

FIG. 4 is a front elevational view; the rear being a mirror image thereof;

FIG. 5 is a bottom plan view;

FIG. 6 is a perspective view of a second embodiment of the lap blank shown in FIG. 1;

FIG. 7 is a top plan view;

FIG. 8 is a right side elevational view;

FIG. 9 is a front elevational view;

FIG. 10 is a left side elevational view;

FIG. 11 is a rear elevational view;

FIG. 12 is a bottom plan view;

FIG. 13 is a perspective view of a third embodiment of the lap blank shown in FIG. 1;

FIG. 14 is a top plan view;

FIG. 15 is a right side elevational view;

FIG. 16 is a front elevational view, the rear being a mirror image thereof;

FIG. 17 is a left side elevational view, and

FIG. 18 is a bottom plan view thereof. 

The ornamental design for a lap blank for use in optical lens making, as shown and described. 